Mare Gaillard Weather in September
September in Mare Gaillard brings high temperatures, with daytime highs of 29°C (84°F) and nights around 26°C (79°F). Quite a bit of rainfall is expected, around 156 mm (6.1 in), so pack an umbrella.
Rainfall in Mare Gaillard in September
Typically, about 18 days will experience rainfall, with an average of 156 mm (6.1 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Mare Gaillard in September
In September, Mare Gaillard gets high temperatures, with highs of 29°C (84°F). Nights cool to around 26°C (79°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights stay warm at around 26°C (79°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Mare Gaillard in September
Expect sunny days throughout the month, with an estimated 218 hours of sunshine. This makes it a pleasant time to visit Mare Gaillard.
Wind Speed in Mare Gaillard in September
Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.
Average water temperature in September
The water is 29°C (84°F) — very warm by most standards. Comfortable to swim in, but not particularly refreshing if you're looking to cool off.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Mare Gaillard. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guadeloupe, check out our Mare Gaillard's climate page.
Mare Gaillard Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Water Temperature
29°C (84°F) *
Chance of Rain
59%
Precipitation
156 mm (6.1 in)
Rainy days
18 days
Humidity
82% *
Windspeed
3 m/s (6 knots) *
Sunshine
218 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Mare Gaillard typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Historical weather for Mare Gaillard in September
Browse day-by-day weather records for Mare Gaillard spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mare Gaillard historical weather extremes in September
Based on 35 years of weather observations in Mare Gaillard between 1990 and 2025, these are the recorded extremes.
- Mare Gaillard recorded its highest September temperature of 34°C (93°F) on September 8, 2001.
- The coldest September day was on September 26, 2024, with a maximum of 26°C (79°F).
- Mare Gaillard registered its coldest September night on September 6, 2013, with temperatures dropping to 20°C (68°F).
Best Places in Guadeloupe in September
Find out more about the weather in Guadeloupe and which places have the best travel conditions in this month. See all of Guadeloupe in September →
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What to Wear in Mare Gaillard in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Mare Gaillard in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guadeloupe, check out our Mare Gaillard's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Mare Gaillard climate overview or explore weather in Guadeloupe.
